STEHEKIN 3 NW, WASHINGTON

Monthly Total Growing Degree Days

(458059)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1931 0.00 0.00 30.00 262.00 522.50 618.50 880.00 812.00 528.00 226.00 16.50 0.00 3895.50
1932 0.00 4.66 a 41.50 258.50 401.00 704.00 706.50 786.50 523.00 264.00 21.50 13.00 3724.16
1933 0.00 2.00 3.50 202.50 314.50 553.50 765.00 784.50 385.50 208.50 40.50 0.00 3260.00
1934 0.50 0.00 60.50 397.00 461.50 665.50 791.00 818.00 476.00 226.00 38.50 0.00 3934.50
1935 0.00 0.00 9.50 133.50 430.50 582.50 761.50 685.00 519.50 208.00 12.00 0.00 3342.00
1936 0.00 2.50 9.50 304.00 535.50 612.00 818.00 818.50 457.00 271.00 8.50 0.00 3836.50
1937 0.00 0.00 8.00 143.00 422.50 556.00 828.00 657.00 520.50 230.50 12.00 3.00 3380.50
1938 0.00 0.00 8.00 179.00 471.00 645.50 891.50 702.50 600.50 194.00 34.50 4.50 3731.00
1939 2.50 1.50 81.00 288.00 465.50 579.50 861.50 827.50 553.00 281.00 19.29 b 6.00 3966.29
1940 0.50 1.50 106.50 278.00 503.00 706.00 839.00 788.50 595.50 276.50 10.34 a 0.00 4105.34
1941 0.00 a 0.00 96.50 325.00 440.00 603.50 939.50 730.57 a 420.50 204.00 19.50 1.50 3780.57
1942 0.00 0.00 21.50 262.24 a 404.03 a 557.50 830.00 845.50 552.00 254.50 2.00 0.00 3729.27
1943 0.00 0.00 3.50 203.00 362.50 538.00 817.00 745.03 a 536.50 243.35 a 8.79 a 7.50 3465.18
1944 0.00 0.00 22.00 225.50 463.00 671.00 866.00 748.00 575.17 a 295.50 49.50 0.00 3915.67
1945 1.00 0.00 41.50 184.00 469.50 606.50 861.50 827.00 496.00 256.50 71.50 0.00 3815.00
1946 0.00 2.00 11.00 202.50 526.00 528.00 779.00 779.00 491.50 176.50 1.00 3.10 a 3499.60
1947 0.00 19.38 b 52.00 275.00 552.50 605.50 782.50 771.38 a 539.50 227.00 53.50 0.00 3878.27
1948 5.50 7.00 18.00 130.50 407.00 714.64 b 734.50 669.00 437.00 108.50 7.50 0.00 a 3239.14
1949 0.00 0.00 2.00 218.50 573.50 596.50 791.50 748.00 531.00 148.00 28.50 0.00 3637.50
1950 0.00 0.00 10.50 77.00 406.50 618.50 801.50 800.50 537.00 136.00 12.50 0.00 3400.00
1951 0.00 0.00 0.50 182.00 493.50 634.00 801.50 829.50 515.00 213.00 6.50 0.00 d 3675.50
1952 0.00 z 0.00 z 0.00 z 235.50 466.00 574.00 836.00 804.00 589.50 311.15 d 10.50 0.00 z 3826.65
1953 0.00 z 0.00 z 46.50 181.00 409.00 496.00 774.50 736.00 541.00 243.50 28.50 0.00 z 3456.00
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 736.00 682.50 489.00 128.00 0.00 z 0.00 z 2035.50
1955 0.00 0.00 4.00 60.50 329.50 615.50 699.50 736.00 512.50 152.00 7.50 0.00 3117.00
1956 0.00 0.00 14.00 302.00 526.50 570.00 863.50 779.50 520.50 174.00 15.50 5.50 3771.00
1957 0.00 13.00 51.50 253.00 580.00 663.50 744.50 655.50 597.50 164.50 10.50 0.00 3733.50
1958 0.00 24.00 40.00 216.00 633.50 791.00 968.00 978.50 513.50 239.00 14.50 0.00 4418.00
1959 0.00 2.50 28.50 94.50 p 237.50 p 624.00 848.00 751.00 439.50 201.00 21.50 0.00 2916.00
1960 0.00 1.50 74.00 204.50 394.00 636.00 954.50 752.00 510.50 259.00 9.00 0.00 3795.00
1961 0.00 11.50 87.00 245.50 460.50 735.00 885.00 914.00 479.00 150.00 4.00 0.00 3971.50
1962 9.50 14.00 47.00 289.50 384.00 608.00 784.50 729.00 517.00 202.50 39.50 0.00 3624.50
1963 0.00 8.50 49.50 174.00 440.50 661.00 735.50 769.00 594.00 258.00 10.50 0.00 3700.50
1964 0.00 2.50 31.00 177.00 416.50 567.00 772.50 652.00 446.50 160.50 8.00 0.00 3233.50
1965 0.00 4.00 18.00 212.00 401.00 630.50 809.50 773.00 463.50 243.00 69.50 0.00 3624.00
1966 0.00 8.00 26.50 236.00 502.50 558.00 773.00 788.50 639.00 197.00 20.50 9.50 3758.50
1967 3.50 12.00 20.00 110.00 453.00 682.00 872.50 936.50 660.00 194.00 24.00 7.50 3975.00
1968 1.00 0.00 39.50 195.00 456.00 609.00 875.50 704.50 548.50 128.00 4.50 0.00 3561.50
1969 0.00 0.00 h 19.50 139.00 510.50 732.50 773.50 726.00 518.00 158.50 40.50 0.00 3618.00
1970 0.00 1.50 45.00 118.00 461.50 752.50 888.00 832.00 430.50 182.00 20.50 0.00 3731.50
1971 12.50 3.00 1.00 145.00 553.00 598.00 921.50 1001.00 475.50 244.50 16.00 0.00 3971.00
1972 0.00 0.00 30.50 90.50 544.50 671.00 801.00 870.50 443.00 219.00 25.00 8.00 3703.00
1973 0.00 0.50 69.00 310.50 531.50 648.50 973.50 895.00 631.50 235.50 0.00 0.00 4295.50
1974 6.50 0.00 43.00 k 234.50 384.00 740.50 807.03 a 896.50 645.00 286.00 32.50 0.00 4032.53
1975 0.00 0.00 6.00 183.50 472.00 655.50 964.50 278.00 r 621.50 211.00 21.72 a 0.00 3135.72
1976 0.50 4.50 12.00 12.50 z 432.50 571.00 823.00 724.00 677.50 253.50 25.50 5.50 3529.50
1977 0.00 3.00 41.00 331.50 402.00 778.50 865.00 1046.50 486.00 174.50 0.00 0.00 4128.00
1978 0.00 0.00 58.00 210.50 453.00 779.50 937.50 860.50 484.00 235.17 b 5.00 0.00 4023.17
1979 0.00 0.00 24.00 209.00 549.50 759.00 967.50 902.50 642.00 341.00 4.50 4.00 4403.00
1980 0.00 0.00 20.67 a 282.50 497.00 613.00 914.00 810.00 566.00 243.50 35.50 0.00 3982.17
1981 0.50 0.00 123.00 212.50 460.50 548.00 836.00 1010.50 574.50 150.00 11.00 0.00 3926.50
1982 0.00 0.00 11.50 115.00 449.50 784.00 831.50 866.50 586.50 189.50 2.50 0.00 z 3836.50
1983 0.00 0.00 44.00 242.00 603.00 677.50 714.50 891.00 469.50 202.00 15.50 0.00 3859.00
1984 6.50 0.00 71.50 191.50 0.00 z 620.50 912.50 875.50 480.50 192.50 0.00 0.00 3351.00
1985 0.00 6.00 15.00 251.00 529.00 704.50 1123.50 877.00 466.50 201.50 15.50 0.00 4189.50
1986 0.00 0.00 45.00 216.50 491.00 803.50 784.50 1043.50 512.00 287.50 29.50 0.00 4213.00
1987 0.00 1.00 33.50 331.00 551.50 756.50 902.00 890.50 710.50 308.50 96.00 0.00 4581.00
1988 0.00 5.50 47.00 291.00 488.00 659.50 905.50 879.00 583.50 365.00 17.00 0.00 4241.00
1989 2.00 0.00 16.50 294.00 477.92 a 770.00 875.00 848.50 618.00 250.50 75.50 0.00 4227.92
1990 0.00 0.00 66.50 356.00 429.50 651.00 1009.50 927.00 723.00 136.00 37.50 0.00 4336.00
1991 0.00 0.50 21.00 233.00 470.00 608.50 913.00 931.00 681.50 304.00 4.50 12.00 4179.00
1992 0.00 1.00 148.50 303.50 616.50 895.00 879.50 944.00 513.50 281.00 23.50 0.00 4606.00
1993 0.00 0.00 14.50 170.50 646.50 643.00 752.00 842.00 646.00 351.50 14.50 0.00 4080.50
1994 5.00 0.00 102.50 367.00 568.50 638.00 1060.00 916.50 720.00 259.50 0.00 0.00 4637.00
1995 0.00 3.00 26.50 217.00 605.50 700.00 947.50 725.00 711.50 209.50 1.00 1.50 4148.00
1996 0.00 0.00 30.00 194.50 373.00 644.00 954.50 901.00 529.50 214.00 16.00 0.00 3856.50
1997 0.00 0.00 0.00 z 134.00 493.00 0.00 z 0.00 z 925.50 0.00 z 212.00 41.00 0.00 1805.50
1998 0.00 0.00 83.50 242.00 571.00 708.00 1061.00 1021.50 805.00 258.50 30.50 0.00 4781.00
1999 2.00 0.00 16.00 210.00 404.50 625.00 832.00 921.00 562.00 210.50 45.00 0.00 3828.00
2000 0.00 0.00 28.00 302.50 478.50 679.50 899.00 906.00 563.00 215.00 8.00 0.00 4079.50
2001 0.00 a 0.00 60.50 201.50 528.50 609.50 951.00 986.50 718.00 213.00 24.00 0.00 4292.50
2002 0.00 0.00 34.50 242.50 454.00 774.00 974.00 961.00 632.00 298.00 48.00 0.00 4418.00
2003 0.00 0.00 0.00 z 218.50 508.50 811.50 1096.00 1005.50 721.00 336.50 0.50 0.00 4698.00
2004 0.00 0.00 z 0.00 z 346.00 0.00 z 567.00 f 1001.50 977.00 557.00 287.00 8.00 0.00 3176.50
2005 0.00 0.00 97.50 262.00 557.00 625.50 933.00 996.50 608.00 292.00 3.00 0.00 4374.50
2006 0.00 0.00 25.50 219.00 485.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 730.00
Period of Record Statistics
MEAN 0.82 2.42 38.61 225.22 479.30 654.90 863.02 837.14 556.27 227.50 21.17 1.30 3912.69
S.D. 2.26 4.71 31.68 70.11 70.94 79.42 92.93 102.87 86.13 56.04 19.43 2.97 369.12
SKEW 3.39 2.66 1.24 0.01 0.16 0.59 0.56 0.16 0.58 0.18 1.54 2.40 0.09
MAX 12.50 24.00 148.50 397.00 646.50 895.00 1123.50 1046.50 805.00 365.00 96.00 13.00 4781.00
MIN 0.00 0.00 0.50 60.50 314.50 496.00 699.50 652.00 385.50 108.50 0.00 0.00 3117.00
NO YRS 73 71 70 73 72 72 74 74 74 75 74 71 62